The full-length film which, though based on Mozart's opera Don Giovanni, is more about the complexity of the time and the world. We witness the creation of a modern production of Don Giovanni, reflecting the controversial present. Mozart's exciting music, uninhibited erotic, and the eternal struggle against evil which constitutes the energy of our existence.

"A musical film of the totalitarian era" is the the second title of the film. The film is based on a legendary school film of Tomáš Vorel, called INg (1985).The story line stays the same - a young engineer finds a new job and wants to work, this proves to be impossible in the last days of the communist era.